Preface; Key Feature - MCi 771AS User Manual

1-1 Preface

Thank you for purchasing this multifunction motherboard. It has the most flexibility you can find
in today's computer motherboard based on the AMD® newest microprocessor - AMD®
Athlon™ processor with 3DNOW™. Moreover, this motherboard using next generation of 4X
AGP specification, Ultra DMA 66, PCI 3D Audio, and many other new feature that meets
future specification.

1-2 Key Feature

The motherboard is
small package. It includes following main features:
 Support Jumperless solution for setting of Front Side Bus Frequency (CPU Host
Clock), and CPU ratio in BIOS SETUP "Frequency
 Support 100MHz Clock and Double-Date rate (DDR) transfers.
 Built-In High performance 3D Audio:
 Fully Compliant AC97 Analog I/O Component.
 48-Terminal TQFP package.
 Multibit  Converter Architecture for improved S/N ratio greater than 90dB.
 16-Bit Stereo Full-Duplex Codec.
 4 Analog Line-Level Stereo Input.
 High Quality CD Input with Ground Sense.
 Stereo Line Level Output.
 Multi-Speed Support : Provide 100MHz Clock and Double Date Rate (200MHz) to support
Slot A for AMD ® Athlon™ processor.
 Chipset: VIA Apollo KX133(VT8371) system controller and VT82C686A PCI to ISA bridge.
 DRAM Memory Support: support three 168-pin DIMMS(3.3V) for a maximum memory of
1.5GB of SDRAM.
 AGP, AMR, PCI and ISA expansion Slots: Provide a 4X AGP slot, one AMR slot, five PCI
slots, and one ISA slot.
 Super Multi-I/O: Provides two high-Speed UART compatible serial ports and one parallel
port with EPP and ECP capabilities. Two floppy drives of either 5.25" or 3.5" (1.44MB or
2.88MB) are also supported without an external card.
 PCI Bus Master IDE Controller and ULTRA DMA 66 : On-board PCI Bus Master IDE
controller with two connectors that supports four IDE devices in two channels, provides faster
data transfer rates, and supports Enhanced IDE devices such as Tape Backup,
ZIP, LS-120 Drives. This controller also supports PIO Modes and Bus Master IDE DMA
33/66 MB/S.
Chapter 1
design for the PC user who wants highest possible quality and value in a
/ Voltage Control".
1
CD-ROM,